人教新课标版高二选修8Unit2-Cloning-reading-

Pre-readingInpairsdiscusswhatyouunderstandaboutclothing.Thenlistthequestionsyouwanttofindout.Shareyourlistswithoneanother.1.Howisacloneproduced?

2.Whatbenefitscanhumansgainfromcloning?

3.Whatproblemsmayarisewhenhumansarecloned?

4.Shouldweclonehuman?

5.Couldcloningreplacesexasthemeansofcreatingnewhumanlife?

6.Couldaparentcloneachildwhoisdyingofaterminalillness?

FastReadingPleasereadthereadingin3minutstogetmainidea.主旨大意1.Themainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenPleasereadthereadingagain,andtheningroups,finishthefollowingexercises.1.BlankfillingCloningIsa___ofmakinganexact____ofanotheranimalandplant.The______clonesRefertogardenerstaking_______fromplantstomakenewones,patsofaplanttakenandgrowninalaboratory,andtwins___________insexandappearanceproducedfromthesame_______egg.waycopyNaturalcuttingsOriginalidenticalConingHas___majoruses—toproduce______________quantitiesofplantsanddoresearchonnewplantsspeciesand__________researchonanimals.CloninganimalsHasamore__________procedurethancloningplantsThecloningofDollythesheepIsthefirst_____________clone,andencouragesthescientificworldtofollowthe________2commercialmedicalcomplicatedsuccessfulprogress2.WhichofthefollowingstatementsaboutcloningisNOTtrueaccordingtotext?____Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesame areoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmoredifficultthanplantcloning.ADollyLivedfor___yearsaltogetherandsuccessfullygaveabirthtoa___Dolly’s__________Raisedastormof___________andhadagreatimpactonthemediaandpublic______TheeyesoftheworldWereopenedtothe___________ofusingclingingtocureseriousillnessesandevenproducinghuman_____6lambobjectionappearanceimaginationPossibilitybeings3.ThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthan otheranimalsB.thescientistsweredeterminedand workedhardwithpatience3.ThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthan otheranimalsB.thescientistsweredeterminedand workedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailedBDiscussion